Wedge system sanding block



FIG. 1 is a top, front and side perspective view of a wedge system sanding block showing our new design; the broken lines showing of the sand paper is for illustrative purposes only and form no part of the claimed design;

FIG. 2 is a top plan view;

FIG. 3 is a front elevational view;

FIG. 4 is a right side elevational view;

FIG. 5 is a left side elevational view;

FIG. 6 is a bottom plan view; and,

FIG. 7 is a rear elevational view. 

The ornamental design for a wedge system sanding block, as shown and described. 